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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<script>
    //this的指向谁 永远都是：谁调用就是谁
    function Person(name) {
        this.name = name;
    }
    let p = new Person('袁晓宇');
    console.log(p);
</script>